radio-


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radio-

1. Radiation, chiefly (in medicine) gamma or x-ray.
2. Synonym(s): radioactive
3. Synonym(s): radius
[L. radius, ray]

radio-

[rā′dē·ō-]
prefix meaning "radiation," sometimes referring specifically to emission of radiant energy, to radium, or to the radius: radioactive, radiobiology, radiohumeral.

radio-

A Latin root used in:
(1) Radius (the bone)—e.g., radioulnar;
(2) Ionising radiation—e.g., radioactivity; or
(3) A radioactive isotope—e.g., radiocarbon.

radio-

Prefix meaning radiation, chiefly (in medicine) gamma-ray or x-ray.
[L. radius, ray]

radio-

Combining form denoting radiation.

radio-

Combining form meaning relation, chiefly (in medicine) gamma or x-ray.
[L. radius, ray]

radio-

word element. [L.] ray, radiation, emission of radiant energy, radium, radius (bone of the forearm); affixed to the name of a chemical element to designate a radioactive isotope of that element.
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